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一种棱锥波前传感器光瞳像标定方法B
Authors
朱能鸿
蔡建清
陈欣扬
颜召军
Publication date
1 January 2016
Publisher
Abstract
本发明涉及一种棱锥波前传感器光瞳像标定方法,其包括:利用棱锥波前传感器采集多帧光瞳像图像;对多帧光瞳像图像求和后得到新的图像;对新的图像进行去噪、边缘检测、二值化处理后得到二值图像;对二值图像进行分区拟合计算得到各个光瞳像的中心和尺寸,从而实现对光瞳像的标定。本发明无需在自适应光学系统中引入额外的器件即可实现对光瞳像的尺寸及位置的标定,因此实现本发明的系统结构简单,成本较低;同时,通过对光瞳像图像之和进行去噪处理以及边缘检测处理,可使光瞳像的标定不受光学系统像差以及大气湍流畸变波前像差的影响,从而提高稳定性和重复性;另外,本发明用途广泛
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Shanghai Astronomical Observatory,Chinese Academy of Sciences
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Last time updated on 20/01/2020